44 Prime Factorization

1
4-4 Prime Factorization

• Objective Identify prime and composite numbers
  and write the prime factorizations of composite
  numbers.

2
5-Minute Check
In the N.I.T. basketball tournament, 32 teams are
invited to participate in a single-elimination
format. How many games will be played before a
winner is determined?
3
5-Minute Check
In the N.I.T. basketball tournament, 32 teams are
invited to participate in a single-elimination
format. How many games will be played before a
winner is determined?
31 games
4
4-4 Prime Factorization

• Sieve of Erathosthenes
• Remove all composite even numbers.
• Remove all composite numbers divisible by 3, 5,
  or 7.
• The numbers left are Prime.

Remember 1 is neither prime nor composite.